Difference between revisions of "Contact shot"
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| − | + | A '''contact shot''' is defined as a gunshot wound incurred while the muzzle of the firearm is in direct contact with the body at the moment of discharge. Contact shots are often the result of close range gunfight, suicide or execution. Some slaughterhouses use contact shots with firearms ("captive bolt pistols") to stun or kill livestock before slaughter. | |
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| − | + | ==Terminal effects== | |
| − | + | Wounds caused by contact shots are very devastating, as the body absorbs the entire discharge of the cartridge, not just the projectile. Even a [[blank cartridge]] can cause lethal wounds if fired in contact with the body, so that [[powerhead]]s, which are intended to fire at contact range, are often loaded with blanks. | |
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| − | + | Firearms such as [[muzzleloader]]s and [[shotgun]]s often have additional materials in the shot, such as a patch or a wad. While they are generally too lightweight to penetrate at longer ranges, they will penetrate in a contact shot. Since these are often made of porous materials such as cloth and cardboard, there is a significantly elevated risk of infection from the wound. | |
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| − | + | ==Characteristics== | |
| − | + | In the field of [[ballistics|forensic ballistics]], the characteristics of a contact shot are often an important part of recreating a shooting. A contact shot produces a distinctive wound, with extensive tissue damage from the burning [[propellant]]. Unlike a shot from [[point-blank range]], the powder burns will cover a very small area right around the entry wound; often there will be a distinct pattern, called ''tattooing''. Star-shaped tattooing is often caused by the [[rifling]] in the gun barrel, and distinct patterns may also be made by [[flash suppressor]]s, or [[muzzle brake]]s. The shape of the tattooing may help identify the firearm used. | |
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| − | + | In many cases, the body's absorption of the muzzle blast will act as a [[suppressor]], trapping the propellant gases under the skin and muffling the sound of the shot. | |
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| − | + | ==References== | |
| − | + | *[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12951720&dopt=Abstract Contact shot from infantry weapons with a flash-suppressor] | |
| − | + | *[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=15734113&dopt=Abstract Contact shot with unusual soot pattern] | |
| − | + | *[http://www.springerlink.com/content/p7031886u3375052/ Unusual findings in a case of suicide with a gas weapon] (blank firing gun) | |
| − | + | *[http://ijms.sums.ac.ir/0034/bahador0034.html CHEST INJURY IN CLOSE-RANGE SHOT BY MUZZLE LOADER GUN: REPORT OF TWO CASES] | |
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| − | + | [[Category:Ballistics]] | |
| − | + | [[Category:Firearm terminology]] | |
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Latest revision as of 22:47, 13 April 2024
A contact shot is defined as a gunshot wound incurred while the muzzle of the firearm is in direct contact with the body at the moment of discharge. Contact shots are often the result of close range gunfight, suicide or execution. Some slaughterhouses use contact shots with firearms ("captive bolt pistols") to stun or kill livestock before slaughter.
[edit] Terminal effects
Wounds caused by contact shots are very devastating, as the body absorbs the entire discharge of the cartridge, not just the projectile. Even a blank cartridge can cause lethal wounds if fired in contact with the body, so that powerheads, which are intended to fire at contact range, are often loaded with blanks.
Firearms such as muzzleloaders and shotguns often have additional materials in the shot, such as a patch or a wad. While they are generally too lightweight to penetrate at longer ranges, they will penetrate in a contact shot. Since these are often made of porous materials such as cloth and cardboard, there is a significantly elevated risk of infection from the wound.
[edit] Characteristics
In the field of forensic ballistics, the characteristics of a contact shot are often an important part of recreating a shooting. A contact shot produces a distinctive wound, with extensive tissue damage from the burning propellant. Unlike a shot from point-blank range, the powder burns will cover a very small area right around the entry wound; often there will be a distinct pattern, called tattooing. Star-shaped tattooing is often caused by the rifling in the gun barrel, and distinct patterns may also be made by flash suppressors, or muzzle brakes. The shape of the tattooing may help identify the firearm used.
In many cases, the body's absorption of the muzzle blast will act as a suppressor, trapping the propellant gases under the skin and muffling the sound of the shot.
